package com.winqai.security.core.social.qq.api;


import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.social.oauth2.AbstractOAuth2ApiBinding;
import org.springframework.social.oauth2.TokenStrategy;

import java.io.IOException;

/**
 * 每次使用都会实例化
 */
public class QQImpl extends AbstractOAuth2ApiBinding implements QQ {

    private Logger log = LoggerFactory.getLogger(getClass());
    private static final String URL_GET_OPENID = "https://graph.qq.com/oauth2.0/me?access_token=%s";
    private static final String URL_GET_USERINFO="https://graph.qq.com/user/get_user_info?&oauth_consumer_key=%s&openid=%s";

    private String appId;

    private String openId;

    private ObjectMapper objectMapper = new ObjectMapper();

    public QQImpl(String accessToken,String appId){
        super(accessToken, TokenStrategy.ACCESS_TOKEN_PARAMETER);

        this.appId = appId;

        String url = String.format(URL_GET_OPENID,accessToken);
        String result = getRestTemplate().getForObject(url, String.class);

        //System.out.println(result);
        log.info(result);
        this.openId = StringUtils.substringBetween(result,"\"openid\":\"","\"}");


    }

    @Override
    public QQUserInfo getQQUserInfo() {
        String url = String.format(URL_GET_USERINFO, appId, openId);
        String result = getRestTemplate().getForObject(url,String.class);

        //System.out.println(result);
        log.info(result);
        QQUserInfo userInfo = null;
        try {
            userInfo = objectMapper.readValue(result, QQUserInfo.class);
            userInfo.setOpenId(openId);
            return userInfo;
        } catch (IOException e) {
            throw new RuntimeException("无法获得用户信息");
        }
    }

}